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Finding the Fourth Proportional to 7,168.34, 9,892.26 and 4,024.56

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Solution

The fourth proportional to 7,168.34, 9,892.26 and 4,024.56 is: 5,553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.34 : 9,892.26 = 4,024.56 : x
  2. Step 2: Convert to fraction form
    7,168.34/9,892.26 = 4,024.56/x
  3. Step 3: Cross multiply
    7,168.34x = 9,892.26 × 4,024.56
  4. Step 4: Simplify right side
    7,168.34x = 39,811,993.91
  5. Step 5: Solve for x
    x = 39,811,993.91/7,168.34
  6. Step 6: Final answer
    x = 5,553.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.